Finding the Fourth Proportional to 193.77, 267.44 and 131.63
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Solution
The fourth proportional to 193.77, 267.44 and 131.63 is: 181.66
Step by Step Solution
- Step 1: Write the proportion equation
193.77 : 267.44 = 131.63 : x - Step 2: Convert to fraction form
193.77/267.44 = 131.63/x - Step 3: Cross multiply
193.77x = 267.44 × 131.63 - Step 4: Simplify right side
193.77x = 35,201.13 - Step 5: Solve for x
x = 35,201.13/193.77 - Step 6: Final answer
x = 181.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.